This is going to be something of a sideways answer to your question. My girls and I were listening to a book on tape, White Sands, Red Menace. The two girl main characters created a wall in their room where each contributed their expertise. One girl lived for a science, so her contributions were gadgets and whirligigs. The other girl collected images and paper and her contributions were collage pieces. Was this wall craft or art or a blending of the two? Making something means a lot to kids.
Rubber stamps-buy 'em or make 'em, but play with 'em. Ink.
Paper,glue, scissors, and of course tape, lots of tape.Modge Podge
Paper-There are some very neat papers sold in art stores. Kids like paper other than construction paper.
Boxes to put stuff in and boxes to cover with stuff. Paint, water color, basket supplies, fabric, wood, hammer and nails, founds stuff, make a mobile, or a small hand doll, pins, Paint the doll house in vibrant colors. Wire.